Cardamine sichuanensis, a new species from Sichuan, China, is described and illustrated. It resembles five other Chinese-endemic congeners in being scapose with leafless stems, but differs by the 3–5-foliolate basal leaves. Phylogenetic analysis based on nrITS sequences revealed that this novelty is close to C. macrophylla and C. tangutorum, both of which are non-scapose plants with lilac or purple (vs. white) petals usually 1.5–1.7 (vs. to 1) cm long.
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Guo et al. (2024) studied this question.
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